Gibbaeum nebrownii var. johnstonii (van Jaarsv. & S.A.Hammer) P.Pavelka in Astridia 3: 39. 1998 ["1997"]
Gibbaeum nebrownii var. johnstonii in Astridia 3: 39. 1998 ["1997"]
is new combination for Gibbaeum johnstonii in Bradleya 14: 14. 1996